1.) Is you group a solid, liquid, or gas?
Our group is a solid.
2.) What are two common uses for your group?
Two common uses for our group is to make lamps and lasers.
3.) What are three interesting facts about your group?
A.) At one time our group was called rare earth elements.
B.) Our group is very difficult to separate from each other.
C.) One of the elements in our group is found in Brazil, India, Australia, South America, and the United States of America.
4.) List the elements in your group.
A.) Lanthanum
B.) Cerium
C.) Praseodymium
D.) Neodymium
E.) Europium
5.) What are three chemical properties of your group?
A.) When exposed to air, they react with oxygen to form an oxide coating that tarnishes the surface.
B.) Burn easily in air.
C.) At elevated temperatures many rare earths ignite and burn vigorously.
6.) What period an group are your elements in?
Our group is between the second and third group of elements. file:/Network/Servers/h-student1.inside/Volumes/H-Student1-Data/h-students1/greene/Desktop/images-1.jpg Helmenstine, Anne M. "Chemistry, - Articles."Chemistry - Periodic Table, Chemistry Projects, and Chemistry Homework Help//. 2009. Web. 26 Oct. 2009. <http://www.chemistry.about.com/od/elementgroups/a/lanthanide.htm>.
Our group is a solid.
2.) What are two common uses for your group?
Two common uses for our group is to make lamps and lasers.
3.) What are three interesting facts about your group?
A.) At one time our group was called rare earth elements.
B.) Our group is very difficult to separate from each other.
C.) One of the elements in our group is found in Brazil, India, Australia, South America, and the United States of America.
4.) List the elements in your group.
A.) Lanthanum
B.) Cerium
C.) Praseodymium
D.) Neodymium
E.) Europium
5.) What are three chemical properties of your group?
A.) When exposed to air, they react with oxygen to form an oxide coating that tarnishes the surface.
B.) Burn easily in air.
C.) At elevated temperatures many rare earths ignite and burn vigorously.
6.) What period an group are your elements in?
Our group is between the second and third group of elements.
Helmenstine, Anne M. "Chemistry, - Articles." Chemistry - Periodic Table, Chemistry Projects, and Chemistry Homework Help//. 2009. Web. 26 Oct. 2009. <http://www.chemistry.about.com/od/elementgroups/a/lanthanide.htm>.